CN114178872B - Numerical control rotary table - Google Patents
Numerical control rotary table Download PDFInfo
- Publication number
- CN114178872B CN114178872B CN202111487175.6A CN202111487175A CN114178872B CN 114178872 B CN114178872 B CN 114178872B CN 202111487175 A CN202111487175 A CN 202111487175A CN 114178872 B CN114178872 B CN 114178872B
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- brake
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- 239000003921 oil Substances 0.000 claims abstract description 107
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 24
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 230000006698 induction Effects 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 23
- 230000001133 acceleration Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000013589 supplement Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Positioning Apparatuses (AREA)
Abstract
The invention relates to a numerical control turntable, which comprises a box body, wherein a hollow main shaft, a motor stator and rotor, a main shaft jacket, an input gear, an RV speed reducer, a braking device and a cable protecting sleeve are arranged in the box body, the front end of the hollow main shaft is connected with the RV speed reducer through the input gear, the rear end of the hollow main shaft is connected with a gear disc, a gear type magnetic induction encoder reading head is arranged on a rear bearing seat corresponding to the gear disc, the cable protecting sleeve sequentially penetrates through the RV speed reducer, the input gear and the hollow main shaft and then is connected with an angle encoder, the braking device comprises an expansion brake disc, an expansion brake expansion sleeve, an expansion brake fixing ring and a hydraulic oil hydraulic conversion device, an annular closed expansion oil cavity is arranged between the expansion brake expansion sleeve and the expansion brake fixing ring, and the hydraulic oil hydraulic conversion device is used for pressing or extracting hydraulic oil. The invention can realize double-ring control and has high precision; under the condition of power failure, the brake can be selectively held by the active controllable brake, and the brake is safe and reliable.
Description
Technical Field
The invention relates to the technical field of numerical control machine tools, in particular to a numerical control rotary table.
Background
With the development of the mechanical industry, the accurate and rapid indexing by using a numerical control turntable has become an essential ring in the technical processing process. At present, a numerical control turntable in the market adopts a structure of a worm gear, a cam roller and a DD motor, and the performance is insufficient, such as poor braking stability and low positioning precision. The worm and gear form has only a self-locking function and no braking and holding function, and because of gaps, the self-locking stability is poor, parts are worn in the use process, the reverse gap is large, the transmission efficiency is low, the speed is low, and the positioning precision and the repeated positioning precision are low; the cam roller and DD motor structure only have the braking and enclasping functions, have no self-locking function and poor braking stability, and the braking and enclasping functions of the cam roller and DD motor structure only can be operated in an electrified state, so that the safety is not high under the conditions of power failure and sudden power failure.
Disclosure of Invention
The invention aims to overcome the defects and provide the numerical control turntable which has compact structure, can realize double-ring detection feedback control and has high precision; semi-closed loop detection feedback is carried out through a gear type magnetic induction encoder, and full-closed loop detection feedback is carried out through an angle encoder; under the condition of power failure, the automatic braking and enclasping can be performed, the safety and reliability are realized, under the condition of power failure, the active controllable braking and enclasping can be selectively performed, the universality is strong, and the automatic braking and enclasping device can adapt to different operation conditions; under the condition of the same external dimension, the output moment is large, the rigidity is large, the braking force is large, and the rotary table terminal does not generate angle deviation during braking.
The purpose of the invention is realized in the following way:
The utility model provides a numerical control revolving stage, includes the box, be equipped with cavity main shaft, motor stator rotor, main shaft overcoat, input gear, RV speed reducer, brake equipment and cable protective sheath in the box, motor stator rotor sets up between main shaft overcoat and cavity main shaft, and cavity main shaft rotates and connects the main shaft overcoat, cavity main shaft front end passes through input gear and connects RV speed reducer, and the gear disc is connected to the rear end, and the rear bearing frame corresponds the gear disc and is equipped with gear formula magnetic induction encoder reading head, the output at RV speed reducer is fixed to the cable protective sheath, connect angle encoder behind cable protective sheath passed RV speed reducer, input gear and the cavity main shaft in proper order, brake equipment includes tight brake disc, tight brake cover, tight brake solid ring and hydraulic oil hydraulic pressure conversion equipment that expands, be equipped with annular confined tight oil chamber that expands between tight brake solid ring that expands, hydraulic oil hydraulic pressure conversion equipment is tight oil chamber that expands or takes out.
Preferably, the hydraulic oil hydraulic conversion device is arranged outside the box body, the hydraulic oil hydraulic conversion device comprises a booster cylinder body, a booster cylinder piston and a booster cylinder cover plate, the booster cylinder piston divides a cavity of the booster cylinder body into a belleville spring accommodating cavity, an outer oil cavity and an inner oil cavity, the belleville spring is arranged in the belleville spring accommodating cavity, the booster cylinder body is provided with an oil inlet pipe corresponding to the outer oil cavity, the booster cylinder body is provided with a connecting oil pipe corresponding to the inner oil cavity, and the connecting oil pipe is connected with the expanding oil cavity.
Preferably, the motor stator and rotor drive the hollow main shaft to rotate, the hollow main shaft drives the gear disc to deflect, the gear type magnetic induction encoder reading head detects the deflection angle and the rotation speed of the gear disc, signals are fed back to the external numerical control controller, the external numerical control controller controls the rotation angle and the rotation speed of the rotor to circularly reciprocate through the stator, and finally the rotor drives the hollow main shaft to achieve the rotation angle, the rotation speed and the acceleration required by a user, so that semi-closed loop control is performed.
Preferably, the outer ring of the angle encoder is fixed on an angle encoder mounting seat, the inner ring of the angle encoder is sleeved on a cable protecting sleeve and locked through a locking nut, the angle encoder mounting seat is fixed on a rear bearing seat, a supporting bearing is arranged between the angle encoder mounting seat and the cable protecting sleeve, and gaps are reserved between the cable protecting sleeve and an input gear and between the cable protecting sleeve and a hollow main shaft.
Preferably, the hollow main shaft drives the input gear to rotate, the output end rotating speed and torque are obtained after the input gear is decelerated and torque is increased by the RV speed reducer, the angle encoder is connected with the output end of the RV speed reducer through a cable connecting protective sleeve, and the angle encoder detects the terminal rotating angle, the rotating speed and the acceleration of the turntable and performs closed-loop control.
Preferably, when the electric power is on, the oil inlet pipe is controlled by the external controller to enter the outer oil cavity, the oil pressure enables the piston of the booster cylinder to move backwards, the belleville springs are compressed by pressure deformation, the volume of the inner oil cavity is enlarged, oil suction force is generated, oil in the expansion oil cavity flows into the inner oil cavity through the connecting oil pipe, the expansion brake expansion sleeve releases the expansion brake disc, and at the moment, the expansion brake disc rotates along with the hollow main shaft;
after the power is off or the oil inlet pipe is controlled by an external controller to return oil, the oil inlet pipe is unloaded, a through oil tank is connected, the pressure of the belleville spring is released, the piston of the booster cylinder moves forwards, meanwhile, the piston of the booster cylinder compresses oil in an oil cavity at the inner side, high pressure is formed, high pressure oil enters an expansion oil cavity, an expansion brake expansion sleeve is deformed, a brake disc is tightly held and expanded, a braking effect is achieved, the high pressure is adopted to tightly hold and expand a brake, the braking force is large, the contact surface is large and the contact surface is in circumferential contact, the braking force is uniform and reliable, the deformation of the brake disc is small in the braking process, and the terminal of a turntable does not generate angular offset during braking.
Preferably, a choke plug is further arranged on the cylinder body of the booster cylinder, the choke plug is arranged corresponding to the inner oil cavity, and when part of high-pressure oil in the inner oil cavity and the expanded oil cavity leaks after long-time running, the choke plug can be unscrewed, oil liquid is supplemented, air is discharged, and reliability is improved.
The beneficial effects of the invention are as follows:
the invention has compact structure, can realize double-ring control and has high precision; the gear type magnetic induction encoder is used for semi-closed loop detection feedback, and the angle encoder is used for full-closed loop detection feedback, so that the rotation angle, the rotation speed and the acceleration of the terminal can be precisely controlled;
The self-locking brake enclasping device is provided with the self-locking brake enclasping function, can automatically brake enclasping under the condition of power failure, is safe and reliable, can selectively carry out the self-locking brake enclasping or loosening under the condition of power failure, has strong universality and can adapt to different operation conditions;
under the condition of the same external dimension, the moment is large, the rigidity is large, the braking force is large, and the rotary table terminal does not generate angle deviation during braking.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partial enlarged view of fig. 1.
Fig. 3 is a schematic structural view of the hydraulic oil hydraulic switching device.
Fig. 4 is a schematic external view of the present invention.
Fig. 5 is a schematic illustration of the penetration of the hydraulic oil hydraulic switching device and the expansion oil chamber.
Wherein: a case 1; oil through hole 1.1; a hollow main shaft 2; a motor stator/rotor 3; a spindle jacket 4; an input gear 5; RV reducer 6; a cable protective sheath 7; a front bearing 8; a rear bearing 9; a rear bearing housing 10; a bearing outer ring flat end cover 11; a gear plate 12; a gear-type magnetic induction encoder reading head 13; a brake disc 14 is expanded; an expansion brake expansion sleeve 15; an expansion brake securing ring 16; a hydraulic oil hydraulic switching device 17; a booster cylinder block 17.1; a belleville spring receiving chamber 17.1.1; an outer oil chamber 17.1.2; an inner oil chamber 17.1.3; a booster cylinder piston 17.2; a supercharging cylinder head plate 17.3; disc springs 17.4; an oil inlet pipe 17.5; connecting an oil pipe 17.6; a bulkhead 17.7; expanding the oil cavity 18; an angle encoder 19; an angle encoder mount 20; a lock nut 21; a support bearing 22; a protective rear cover 23; and a rear outlet cover 24.
Detailed Description
Referring to fig. 1-5, the invention relates to a numerical control turntable, which comprises a box body 1, wherein a hollow main shaft 2, a motor stator rotor 3, a main shaft outer sleeve 4, an input gear 5, an RV speed reducer 6, a brake device and a cable protection sleeve 7 are arranged in the box body, the motor stator rotor 3 is arranged between the main shaft outer sleeve 4 and the hollow main shaft 2, the hollow main shaft 2 is rotationally connected with the main shaft outer sleeve 4, two ends of the hollow main shaft 2 are respectively supported by a front bearing 8 and a rear bearing 9, the front bearing 8 is arranged between the main shaft outer sleeve 4 and the hollow main shaft 2, the rear bearing 9 is arranged between the hollow main shaft 2 and a rear bearing seat 10, the outer ring of the rear bearing 9 is limited by a bearing outer ring flat end cover 11, the rear bearing seat 10 is fixedly connected with the main shaft outer sleeve 4, the main shaft outer sleeve 4 is fixed in the box body 1, the front end of the hollow main shaft 2 is connected with the input gear 5, the input gear 5 is connected with the RV speed reducer 6, the rear end of the hollow main shaft 2 is connected with a gear disc 12, the rear bearing seat 10 is connected with a gear type magnetic induction encoder reading head 13 through a bearing outer ring flat end cover 11, and the gear type magnetic induction encoder reading head 13 is matched with the gear type magnetic induction encoder reading head 13.
The motor stator and rotor 3 drives the hollow main shaft 2 to rotate, the hollow main shaft 2 drives the gear disc 12 to deflect, the gear type magnetic induction encoder reading head 13 detects the deflection angle and the rotation speed of the gear disc 12, signals are fed back to the stator, the current and the voltage phase sequence of the stator are adjusted through feedback, corresponding magnetic fields are generated, the rotation angle and the rotation speed of the rotor are controlled to circularly reciprocate, and finally the rotor drives the hollow main shaft 2 to achieve the rotation angle, the rotation speed and the acceleration required by a user, semi-closed loop control is realized, and the positioning precision is improved.
The brake device comprises an expansion brake disc 14, an expansion brake expansion sleeve 15, an expansion brake fixing ring 16 and a hydraulic oil hydraulic conversion device 17, wherein the expansion brake disc 14 is fixed at the rear end of the RV speed reducer 6, the expansion brake disc 14 synchronously rotates along with the RV speed reducer 6, the expansion brake expansion sleeve 15 is sleeved on the expansion brake disc 14, the expansion brake fixing ring 16 is sleeved on the expansion brake expansion sleeve 15, an annular closed expansion oil cavity 18 is arranged between the expansion brake expansion sleeve 15 and the expansion brake fixing ring 16, the expansion brake fixing ring 16 and the expansion brake expansion sleeve 15 are both fixed on the main shaft outer sleeve 4, and the hydraulic oil hydraulic conversion device 17 is used for pressing or drawing hydraulic oil from the expansion oil cavity 18.
The hydraulic oil hydraulic conversion device 17 is arranged outside the box body, the hydraulic oil hydraulic conversion device 17 comprises a booster cylinder body 17.1, a booster cylinder piston 17.2 arranged in the booster cylinder body 17.1 and a booster cylinder cover plate 17.3 fixed on the booster cylinder body 17.1, the booster cylinder piston 17.2 divides a cavity of the booster cylinder body 17.1 into a belleville spring accommodating cavity 17.1.1, an outer oil cavity 17.1.2 and an inner oil cavity 17.1.3, the belleville spring 17.4 is arranged in the belleville spring accommodating cavity 17.1.1, an oil inlet pipe 17.5 is arranged in the booster cylinder body 17.1 corresponding to the outer oil cavity 17.1.2, a connecting oil pipe 17.6 is arranged in the booster cylinder body 17.1 corresponding to the inner oil cavity 17.1.3, the connecting oil pipe 17.6 is connected with the expansion oil cavity 18, and an oil through hole 1.1 is arranged in the box body 1, and the connecting oil through hole 1.1 conducts the connecting oil pipe 17.6 and the expansion oil cavity 18.
When the electric power is on, the oil inlet pipe 17.5 is controlled by an external controller to enter an outer oil cavity 17.1.2, the oil pressure enables the booster cylinder piston 17.2 to move backwards, the belleville spring 17.4 is compressed by pressure deformation, the volume of the inner oil cavity 17.1.3 is increased, oil suction force is generated, oil in the expansion oil cavity 18 flows into the inner oil cavity 17.1.3 through the connecting oil pipe 17.6, the expansion brake expansion sleeve 15 releases the expansion brake disc 14, and at the moment, the expansion brake disc 14 rotates along with the hollow main shaft;
After power failure or oil return of the oil inlet pipe 17.5 is controlled by an external controller, the oil inlet pipe 17.5 is unloaded and is directly communicated with an oil tank, the pressure of the belleville spring 17.4 is released, the booster cylinder piston 17.2 moves forwards, meanwhile, the booster cylinder piston 17.2 compresses oil in the inner oil cavity 17.1.3 to form high pressure, and the high pressure oil enters the expansion oil cavity 18, so that the expansion brake expansion sleeve 15 is deformed, and the expansion brake disc 14 is tightly held, so that a braking effect is achieved.
The choke plug 17.7 is further arranged on the cylinder body 17.1 of the pressurizing cylinder, the choke plug 17.7 is arranged corresponding to the inner oil cavity 7.1.3, and when part of high-pressure oil in the inner oil cavity 17.1.3 and the expansion oil cavity 18 leaks after long-time running, the choke plug 17.7 can be unscrewed, oil liquid is supplemented, air is discharged, and reliability is improved.
The cable protective sleeve 7 is fixed at the output of RV speed reducer 6, connect angle encoder 19 after cable protective sleeve 7 passes RV speed reducer 6, input gear 5 and cavity main shaft 2 in proper order, the outer lane of angle encoder 19 is fixed on angle encoder mount pad 20, and angle encoder 19's inner race cover is established on cable protective sleeve 7 and is locked through lock nut 21, angle encoder mount pad 20 is fixed on back bearing frame 9, be equipped with back bearing 22 between angle encoder mount pad 20 and the cable protective sleeve 7, all leave the clearance between cable protective sleeve 7 and input gear 5, the cavity main shaft 2. The hollow main shaft 2 drives the input gear 5 to rotate, the rotation speed of an output end is obtained after the input gear is decelerated and moment-increased by the RV speed reducer 6, the angle encoder 19 is connected with the output end of the RV speed reducer 6 through the cable connecting protective sleeve 7, the angle encoder 19 detects the terminal rotation angle, the rotation speed and the acceleration of the turntable, closed-loop control is realized, and higher positioning precision is achieved.
The angle encoder 19 is provided with a protective rear cover 23, the protective rear cover 23 is fixed on the rear bearing seat 9, an outgoing rear cover 24 is arranged outside the protective rear cover 23, and the cable passes through the inner hole of the cable protecting sleeve 7 and then passes out of the outgoing rear cover 24.
The main shaft sleeve 4 is provided with a cooling channel, cooling water enters and exits the main shaft sleeve 4 through the cooling channel, and indirectly cools the stator of the electronic stator and rotor through cooling the main shaft sleeve, so that the service life of the turntable is prolonged.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a numerical control revolving stage which characterized in that: comprises a box body (1), be equipped with cavity main shaft (2), motor stator rotor (3), main shaft overcoat (4), input gear (5), RV speed reducer (6), brake equipment and cable protective sheath (7) in the box, motor stator rotor (3) set up between main shaft overcoat (4) and cavity main shaft (2), cavity main shaft (2) rotate and connect main shaft overcoat (4), cavity main shaft (2) front end passes through input gear (5) and connects RV speed reducer (6), and the rear end is connected toothed disc (12), and rear bearing frame (10) correspond the gear dish and are equipped with gear formula magnetic induction encoder reading head (13), cable protective sheath (7) are fixed at the output of RV speed reducer (6), cable protective sheath (7) pass RV speed reducer (6) in proper order, input gear (5) and cavity main shaft (2) back and connect angle encoder (19), and brake equipment includes expansion brake disc (14), expansion brake fixed ring (16) and hydraulic pressure conversion equipment (17), be equipped with annular confined between expansion brake disc (15) and expansion fixed ring (16), the hydraulic oil hydraulic conversion device (17) is used for pressing in or extracting hydraulic oil from the expansion oil cavity (18);
The hydraulic oil hydraulic conversion device (17) is arranged outside the box body (1), the hydraulic oil hydraulic conversion device (17) comprises a booster cylinder body (17.1), a booster cylinder piston (17.2) and a booster cylinder cover plate (17.3), a cavity of the booster cylinder body (17.1) is divided into a belleville spring accommodating cavity (17.1.1), an outer oil cavity (17.1.2) and an inner oil cavity (17.1.3) by the booster cylinder piston (17.2), the belleville spring (17.4) is arranged in the belleville spring accommodating cavity (17.1.1), an oil inlet pipe (17.5) is arranged in the booster cylinder body (17.1) corresponding to the outer oil cavity (17.1.2), a connecting oil pipe (17.6) is arranged in the booster cylinder body (17.1) corresponding to the inner oil cavity (17.1.3), and the connecting oil pipe (17.6) is connected with the expanding oil cavity (18);
the cylinder body (17.1) of the pressurizing cylinder is further provided with a choke plug (17.7), the choke plug (17.7) is arranged corresponding to the inner oil cavity (17.1.3), and when part of high-pressure oil in the inner oil cavity (17.1.3) and the expansion oil cavity (18) leaks after long-time running, the choke plug (17.7) can be unscrewed to supplement oil and discharge air.
2. A numerically controlled turret as in claim 1, wherein: the motor stator and rotor (3) drives the hollow main shaft (2) to rotate, the hollow main shaft (2) drives the gear disc (12) to deflect, the gear type magnetic induction encoder reading head (13) detects the deflection angle and the rotation speed of the gear disc (12), signals are fed back to the stator, the rotation angle and the rotation speed of the rotor are controlled to circularly reciprocate, and finally the rotor drives the hollow main shaft (2) to achieve the rotation angle, the rotation speed and the acceleration required by a user, so that semi-closed loop control is performed.
3. A numerically controlled turret as in claim 1, wherein: the outer ring of the angle encoder (19) is fixed on an angle encoder mounting seat (20), the inner ring of the angle encoder (19) is sleeved on a cable protective sleeve (7) and locked through a locking nut (21), the angle encoder mounting seat (20) is fixed on a rear bearing seat (10), a supporting bearing (22) is arranged between the angle encoder mounting seat (20) and the cable protective sleeve (7), and gaps are reserved between the cable protective sleeve (7) and an input gear (5) and between the cable protective sleeve and a hollow main shaft (2).
4. A numerically controlled turret as in claim 1, wherein: the hollow main shaft (2) drives the input gear (5) to rotate, the output end rotating speed, the rotating angle and the acceleration are obtained after the RV speed reducer (6) decelerates and increases the moment, the angle encoder (19) is connected with the output end of the RV speed reducer (6) through the cable connecting protective sleeve (7), and the angle encoder (19) detects the terminal rotating speed, the rotating angle and the acceleration of the turntable and performs closed-loop control.
5. A numerically controlled turret as in claim 1, wherein: when the electric power is on, the oil inlet pipe (17.5) is controlled by an external controller to enter an outer oil cavity (17.1.2), the oil pressure enables the booster cylinder piston (17.2) to move backwards, the belleville spring (17.4) is subjected to pressure deformation compression, the volume of the inner oil cavity (17.1.3) is enlarged, oil suction force is generated, oil in the expansion oil cavity (18) flows into the inner oil cavity (17.1.3) through the connecting oil pipe (17.6), the expansion brake expansion sleeve (15) releases the expansion brake disc (14), and at the moment, the expansion brake disc (14) rotates along with the hollow main shaft;
After power failure or oil return of the oil inlet pipe (17.5) is controlled by an external controller, the oil inlet pipe (17.5) is unloaded, the oil tank is directly communicated, the pressure of the belleville spring (17.4) is released, the booster cylinder piston (17.2) moves forwards, meanwhile, the booster cylinder piston (17.2) compresses oil in the inner oil cavity (17.1.3) to form high pressure, and the high pressure oil enters the expansion oil cavity (18) to enable the expansion brake expansion sleeve (15) to deform and hold the expansion brake disc (14) tightly, so that a braking effect is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111487175.6A CN114178872B (en) | 2021-12-08 | 2021-12-08 | Numerical control rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111487175.6A CN114178872B (en) | 2021-12-08 | 2021-12-08 | Numerical control rotary table |
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| Publication Number | Publication Date |
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| CN114178872A CN114178872A (en) | 2022-03-15 |
| CN114178872B true CN114178872B (en) | 2024-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111487175.6A Active CN114178872B (en) | 2021-12-08 | 2021-12-08 | Numerical control rotary table |
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| CN (1) | CN114178872B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114734272B (en) * | 2022-05-24 | 2023-05-12 | 深圳市湘聚实业有限公司 | Rotary type cross beam workbench |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008124999A1 (en) * | 2007-04-13 | 2008-10-23 | Zhejiang Xinyi Control System Co., Ltd. | A driving device for adjustable furniture |
| CN102059554A (en) * | 2010-11-02 | 2011-05-18 | 北京京仪世纪电子股份有限公司 | Numerically controlled turning-grinding combined machine tool |
| CN102079047A (en) * | 2010-12-06 | 2011-06-01 | 威海华东数控股份有限公司 | High-speed and high-accuracy driving device for rotary table |
| CN103123477A (en) * | 2011-11-18 | 2013-05-29 | 中国科学院沈阳计算技术研究所有限公司 | Shaft motion control method based on double feedbacks of motor and machine tool location |
| CN108705328A (en) * | 2018-07-25 | 2018-10-26 | 深圳市科益展自动化有限公司 | Hollow harmonic wave platform |
| CN108857470A (en) * | 2018-07-25 | 2018-11-23 | 深圳市科益展自动化有限公司 | A kind of hollow harmonic wave four axis platform |
| CN210024594U (en) * | 2019-05-29 | 2020-02-07 | 浙江双正科技股份有限公司 | Normally closed type oil pressure brake device and multi-shaft combined special machine with same |
| CN212903250U (en) * | 2020-10-21 | 2021-04-06 | 长春禹衡光学有限公司 | Magnetic encoder |
| CN113217501A (en) * | 2021-04-30 | 2021-08-06 | 韶关液压件厂有限公司 | Hydraulic cylinder structure with clamp inside and using method thereof |
-
2021
- 2021-12-08 CN CN202111487175.6A patent/CN114178872B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008124999A1 (en) * | 2007-04-13 | 2008-10-23 | Zhejiang Xinyi Control System Co., Ltd. | A driving device for adjustable furniture |
| CN102059554A (en) * | 2010-11-02 | 2011-05-18 | 北京京仪世纪电子股份有限公司 | Numerically controlled turning-grinding combined machine tool |
| CN102079047A (en) * | 2010-12-06 | 2011-06-01 | 威海华东数控股份有限公司 | High-speed and high-accuracy driving device for rotary table |
| CN103123477A (en) * | 2011-11-18 | 2013-05-29 | 中国科学院沈阳计算技术研究所有限公司 | Shaft motion control method based on double feedbacks of motor and machine tool location |
| CN108705328A (en) * | 2018-07-25 | 2018-10-26 | 深圳市科益展自动化有限公司 | Hollow harmonic wave platform |
| CN108857470A (en) * | 2018-07-25 | 2018-11-23 | 深圳市科益展自动化有限公司 | A kind of hollow harmonic wave four axis platform |
| CN210024594U (en) * | 2019-05-29 | 2020-02-07 | 浙江双正科技股份有限公司 | Normally closed type oil pressure brake device and multi-shaft combined special machine with same |
| CN212903250U (en) * | 2020-10-21 | 2021-04-06 | 长春禹衡光学有限公司 | Magnetic encoder |
| CN113217501A (en) * | 2021-04-30 | 2021-08-06 | 韶关液压件厂有限公司 | Hydraulic cylinder structure with clamp inside and using method thereof |
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| Publication number | Publication date |
|---|---|
| CN114178872A (en) | 2022-03-15 |
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